GreHack 2018: Analyzing Ultrasound-Based Physical Tracking Systems - Mathieu Cunche
▶GreHack 2018: Analyzing Ultrasound-Based Physical Tracking Systems - Mathieu Cunche — a 2018 GreHack security conference talk on privacy (27:37 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube